Spring hook



FIG. 1 is a plan view of a spring hook showing my new design;

FIG. 2 is a bottom view of the FIG. 1 view;

FIG. 3 is a right side view of the FIG. 1 view;

FIG. 4 is a left side view of the FIG. 1 view;

FIG. 5 is a bottom view of the FIG. 1 view;

FIG. 6 is a top view of the FIG. 1 view;

FIG. 7 is a view similar to FIG. 1 of a different embodiment;

FIG. 8 is a view similar to FIG. 2 of the embodiment shown in FIG. 7;

FIG. 9 is a view similar to FIG. 3 of the FIG. 7 embodiment;

FIG. 10 is a view similar to FIG. 6 of the different embodiment;

FIG. 11 is a view similar to FIG. 5 of the FIG. 7 embodiment; and,

FIG. 12 is a view similar to FIG. 6 of the FIG. 7 embodiment.

The broken lines represent the environment of the claimed design andform no part thereof.

CLAIM I claim the ornamental design of a spring hook, as shown anddescribed.